27 lines
778 B
Ruby
27 lines
778 B
Ruby
class FinancialTransactionType < ActiveRecord::Base
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belongs_to :financial_transaction_class
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has_many :financial_transactions, dependent: :restrict_with_exception
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validates :name, presence: true
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validates_uniqueness_of :name
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validates_uniqueness_of :name_short, allow_blank: true, allow_nil: true
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validates :financial_transaction_class, presence: true
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before_destroy :restrict_deleting_last_financial_transaction_type
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def self.default
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first
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end
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def self.has_multiple_types
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self.count > 1
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end
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protected
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# check if this is the last financial transaction type and deny
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def restrict_deleting_last_financial_transaction_type
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raise I18n.t('model.financial_transaction_type.no_delete_last') if FinancialTransactionType.count == 1
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end
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end
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